CA2074388A1 - Programmable graphics processor having pixel to character conversion hardware for use in a video game system or the like - Google Patents

Programmable graphics processor having pixel to character conversion hardware for use in a video game system or the like

Info

Publication number
CA2074388A1
CA2074388A1 CA002074388A CA2074388A CA2074388A1 CA 2074388 A1 CA2074388 A1 CA 2074388A1 CA 002074388 A CA002074388 A CA 002074388A CA 2074388 A CA2074388 A CA 2074388A CA 2074388 A1 CA2074388 A1 CA 2074388A1
Authority
CA
Canada
Prior art keywords
graphics
host
video game
coprocessor
game system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002074388A
Other languages
French (fr)
Other versions
CA2074388C (en
Inventor
Jeremy E. San
Ben Cheese
Carl N. Graham
Peter R. Warnes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
A/N Inc
Original Assignee
Jeremy E. San
Ben Cheese
Carl N. Graham
Peter R. Warnes
A/N Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jeremy E. San, Ben Cheese, Carl N. Graham, Peter R. Warnes, A/N Inc. filed Critical Jeremy E. San
Publication of CA2074388A1 publication Critical patent/CA2074388A1/en
Application granted granted Critical
Publication of CA2074388C publication Critical patent/CA2074388C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/20—Drawing from basic elements, e.g. lines or circles
    • G06T11/203—Drawing of straight lines or curves
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects

Abstract

A fully programmable, graphics microprocessor is disclosed which is designed to be embodied in a removable external memory unit for connection with a host information processing system. In an exemplary embodiment, a video game system is described including a host video game system and a pluggable video game cartridge housing the graphics microprocessor. The game cartridge also includes a read-only program memory (ROM) and a random-access memory (RAM). The graphics coprocessor operates in conjunction with a three bus architecture embodied on the game cartridge. The graphics processor using this bus architecture may execute programs from either the program ROM, external RAM or its own internal cache RAM. The fully user programmable graphics coprocessor has an instruction set which is designed to efficiently implement arithmetic operations associated with 3-D graphics and, for example, includes special instructions executed by dedicated hardware for plotting individual pixels in the host video game system's character mapped display which, from the programmer's point of view, creates a "virtual" bit map by permitting the addressing of individual pixels -- even though the host system is character based. The graphics coprocessor interacts with the host coprocessor such that the graphics coprocessor's 16 general registers are accessible to the host processor at all times.
CA002074388A 1992-01-30 1992-07-22 Programmable graphics processor having pixel to character conversion hardware for use in a video game system or the like Expired - Lifetime CA2074388C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82720192A 1992-01-30 1992-01-30
US827,201 1992-01-30

Publications (2)

Publication Number Publication Date
CA2074388A1 true CA2074388A1 (en) 1993-07-31
CA2074388C CA2074388C (en) 2003-01-14

Family

ID=25248568

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002074388A Expired - Lifetime CA2074388C (en) 1992-01-30 1992-07-22 Programmable graphics processor having pixel to character conversion hardware for use in a video game system or the like

Country Status (7)

Country Link
US (1) US5724497A (en)
EP (1) EP0553531A2 (en)
JP (1) JPH0679063A (en)
KR (1) KR100270198B1 (en)
CN (1) CN1048563C (en)
AU (1) AU654727B2 (en)
CA (1) CA2074388C (en)

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Also Published As

Publication number Publication date
AU654727B2 (en) 1994-11-17
CA2074388C (en) 2003-01-14
US5724497A (en) 1998-03-03
KR930016869A (en) 1993-08-30
EP0553531A2 (en) 1993-08-04
CN1080200A (en) 1994-01-05
EP0553531A3 (en) 1994-03-23
CN1048563C (en) 2000-01-19
JPH0679063A (en) 1994-03-22
KR100270198B1 (en) 2000-10-16
AU2060592A (en) 1993-08-19

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